Resume / Timeline

Data EngineeringPython · Polars · DRFAutomation & PerformanceEN/PTRemote

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Timeline

2020
Aug 2020 – Dec 2021
Jaraguá do Sul, Santa Catarina, Brazil · On-site
1 yr 4 mos
Junior Developer — RapidSoft TI
JavaReact.jsAPIsNext.js
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- Supported and developed new features for a textile ERP system using Java and React.js.
- Implemented integrations with multiple APIs to enhance communication between internal systems.
- Contributed to the creation and improvement of dashboards in Next.js, enhancing functionality and user experience.
2022
Jan 2022 – present
Remote
4 yrs
current
Software Engineer — UpFlux / Process Intelligence
PythonETLPolarsAirflowAWS
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2025
Jun 2025 – present
Remote
7 mos
current
Creator / Technical Author — CodeCraftPython
ContentBlogPythonData
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Aug 2025 – present
Remote
5 mos
current
Founder / Maintainer — CloakData
PolarsOpen-sourceAnonymization
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2020

2022

2025

Aug 2020 – Dec 2021

Jaraguá do Sul, Santa Catarina, Brazil · On-site

1 yr 4 mos

Junior Developer — RapidSoft TI

JavaReact.jsAPIsNext.js

Hover to see more details

Supported and developed new features for a textile ERP system using Java and React.js.
Implemented integrations with multiple APIs to enhance communication between internal systems.
Contributed to the creation and improvement of dashboards in Next.js, enhancing functionality and user experience.

Skills & Technologies

Core Stack

Python (Polars, Pandas)

Django REST / FastAPI

Next.js, Tailwind

DevOps & Infra

Docker, GitHub Actions, CI/CD

AWS ECS / Cloudflare / Nginx

Languages

Portuguese — native

English — advanced

Tools

SQL, pytest, Make, Ruff, Black

Portfolio — Jeferson Peter